期刊
SYNTHESIS-STUTTGART
卷 54, 期 19, 页码 4381-4391出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/a-1840-5768
关键词
copper catalysis; hydrosilane; reductive amination; amines; indoloindole
资金
- Foundation of Department of Education of Guangdong Province [2021ZDZX2045, 2020KQNCX093]
- Foundation of Graduate Education Innovation Plan of Guangdong Province [YJS-JGXM-21-03]
This study describes a convenient and practical method for the synthesis of 2-cyano and 2-ester anilines via efficient and selective copper-catalyzed reductive amination. These compounds were successfully synthesized with good functional group tolerance. Furthermore, the synthesized compounds exhibited excellent fluorescent properties, which may have potential applications in the development of near-ultraviolet optical devices.
A convenient and practical pathway to 2-cyano and 2-ester anilines is described via efficient and selective copper(II)-catalyzed reductive amination via hydrosilylation process. Both 2-cyano and 2-ester anilines were successfully synthesized with good functional group tolerance and high selectivity. The application of the 2-cyano and -iodine containing anilines was developed in the synthesis of indoloindole derivatives via CuSO4-catalyzed N-benzylation and cyclization reaction in 'one pot'. More interestingly, the photophysical property investigations of these 2-cyano and 2-ester containing anilines exhibit excellent fluorescent properties, which have great potential application in the development of interesting near-ultraviolet optical devices in the near future.
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